A television is on sale for 20% off. If the sale price is $399, what was the original price?  A. $319.20
B.$1,995
C. $498.75
D. $379.00

Ineed no it anyone can see this

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.